EP 3631964 A1 20200408 - IGNITION DEVICE FOR GTAW WELDING EQUIPMENT
Title (en)
IGNITION DEVICE FOR GTAW WELDING EQUIPMENT
Title (de)
ZÜNDVORRICHTUNG FÜR EINE GTAW-SCHWEISSANLAGE
Title (fr)
DISPOSITIF D'ALLUMAGE POUR ÉQUIPEMENT DE SOUDAGE GTAW
Publication
Application
Priority
- US 201762510885 P 20170525
- US 201715630737 A 20170622
- IB 2018053202 W 20180508
Abstract (en)
[origin: WO2018215856A1] An ignition device for welding equipment includes a capacitor, a transformer, a high voltage output circuit connected to a secondary winding of the transformer, a discharging switch enabling discharge of the capacitor to a primary winding of the transformer, a charger and an operation control circuit that controls the charger and the discharging switch.
IPC 8 full level
H02M 3/335 (2006.01); B23K 1/00 (2006.01); B23K 9/10 (2006.01); F02P 3/08 (2006.01); H02M 11/00 (2006.01)
CPC (source: EP US)
B23K 9/0677 (2013.01 - EP US); B23K 9/1081 (2013.01 - US); B23K 9/167 (2013.01 - EP US); H02M 1/0035 (2021.05 - EP); H02M 1/32 (2013.01 - EP); H02M 3/33507 (2013.01 - EP US); H02M 11/00 (2013.01 - US); B23K 37/006 (2013.01 - US); B23K 37/0258 (2013.01 - US); H02M 1/36 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018215856 A1 20181129; AU 2018272183 A1 20191128; BR 112019023883 A2 20200602; CA 3063356 A1 20181129; CA 3063356 C 20230314; CN 110651422 A 20200103; CN 110651422 B 20210824; EP 3631964 A1 20200408; US 11273512 B2 20220315; US 2018339356 A1 20181129
DOCDB simple family (application)
IB 2018053202 W 20180508; AU 2018272183 A 20180508; BR 112019023883 A 20180508; CA 3063356 A 20180508; CN 201880033809 A 20180508; EP 18727884 A 20180508; US 201715630737 A 20170622